157426367

素因数分解:

$7^4\times {\mathrm{173}}^1\times {\mathrm{379}}^1$

素因数の和:580

約数の個数: 20

約数和(自身を含む): 185202120

約数和(自身を除く): 27775753

約数列:

[1, 7, 49, 173, 343, 379, 1211, 2401, 2653, 8477, 18571, 59339, 65567, 129997, 415373, 458969, 909979, 3212783, 22489481, 157426367]

約数ペア:

[(1, 157426367), (7, 22489481), (49, 3212783), (173, 909979), (343, 458969), (379, 415373), (1211, 129997), (2401, 65567), (2653, 59339), (8477, 18571)]